Aerating Lawn - Knowledgebase Question

raleigh, No
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Question by jenaewillia
March 26, 2009
How can I aerate my lawn? Should I mow the weeds down on my dormant lawn?

Answer from NGA
March 26, 2009
Mowing down weeds before they flower and set seeds is a good idea. As for renovating your lawn, thatching removes the dead stolons, rhizomes, stems and old grass blades. All turfgrasses have thatch but a thatch layer that is too thick can keep water from penetrating down to the roots and can keep fertilizers from reaching the soil. If your turf has excessive thatch, more than one inch of thatch, then you should dethatch your lawn, then overseed this spring. Aerating helps if your soil is compacted, which can happen by itself over the years, or by lots of foot traffic. By removing plugs of grass and soil, then spreading a thin layer of sand or compost over the lawn and watering it in, the sand or compost will work its way into the holes and help loosen the soil. If you are not sure which to do, you can do both. Dethatch and overseed this spring, then aerate in the fall, leaving the plugs on the lawn. They will dissolve with the rain. Hope this information helps you make the right decision with your lawn!

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